This windshield wiper arm is designed to match the fit and function of the original arm on specified vehicles, and is engineered for durability and reliable performance. This part is ompatible with the following vehicles. Before purchasing, enter your vehicle specifications in the Amazon Garage to confirm correct fitment. [Kenworth T600: 2008, 2009, 2010, 2011, 2012, 2013, 2014] - [Kenworth T660: 2013, 2014, 2015, 2016, 2017] - [Kenworth T800: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020] - [Kenworth W900: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020]